Air-cooled metal hydride hydrogen storage module

Abstract

The utility model discloses an air-cooled metal hydride hydrogen storage module which comprises a storage box, a plurality of heat exchange fins, a plurality of metal hydride storage tanks, a collecting pipe, a pressure gauge, a temperature monitoring probe, a connecting mechanism and a heat exchange mechanism, the plurality of heat exchange fins are arranged in the storage box, the plurality of metal hydride storage tanks are arranged in the collecting pipe, and the collecting pipe is connected with the connecting mechanism. The multiple metal hydride storage tanks are arranged in the multiple heat exchange fins correspondingly, the collecting pipe is arranged in the storage box, multiple air outlet holes are formed in the collecting pipe, air inlets of the multiple metal hydride storage tanks are opposite to the multiple air outlet holes correspondingly, the multiple temperature monitoring probes are arranged in the storage box, and the multiple temperature monitoring probes are arranged in the storage box. According to the air-cooled metal hydride hydrogen storage module, hydrogen charging and discharging can be conducted on multiple metal hydride storage tanks at the same time, and the hydrogen charging and discharging efficiency of the metal hydride storage tanks is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hydrogen energy storage, and in particular to an air-cooled metal hydride hydrogen storage module. Background Art

[0002] Hydrogen energy, the chemical energy released by the chemical reaction of hydrogen and oxygen, is a secondary clean energy.

[0003] Hydrogen can be stored and transported, which is the advantage of hydrogen energy application. However, the density of hydrogen is very small, which is the main bottleneck restricting the efficient storage and transportation of hydrogen. The high-density, low-cost and safe storage of hydrogen has always been a world-class problem. Hydrogen can be stored in three states: liquid, gas, and solid. Among them, metal hydride hydrogen storage is one of the solid-state hydrogen storage methods. Generally, metal hydride storage tanks are accompanied by thermal effects when filling and discharging hydrogen, which is the main factor restricting the hydrogen filling and discharging rate. At present, most of the metal hydride storage tanks on the market are single bare tanks, lacking convenient and efficient heat exchange design, resulting in limited hydrogen supply rate, especially when more metal hydride storage tanks need to be filled and discharged. The operation needs to be completed one by one, which reduces the hydrogen absorption and discharge efficiency of the metal hydride storage tank. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides an air-cooled metal hydride hydrogen storage module, which adds air-cooled heat sink fins to the outside of the metal hydride storage tank, so that the heat sink fins are closely fitted to the side walls of the metal hydride storage tank, thereby increasing the heat exchange efficiency of the hydrogen absorption and desorption process, solving the problem of the lack of convenient and efficient heat exchange design proposed in the background technology, resulting in limited hydrogen supply rate, and at the same time improving the efficiency of charging and desorption of hydrogen for a large number of metal hydride storage tanks.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an air-cooled metal hydride hydrogen storage module, comprising: a storage box, a heat exchange fin, a metal hydride storage tank, a manifold, a pressure gauge, a temperature monitoring probe, a connecting mechanism and a heat exchange mechanism;

[0008] There are multiple heat exchange fins, and the multiple heat exchange fins are all arranged in the storage box. The shape of the heat exchange fins can be designed into a square, hexagonal or other regular shapes according to the needs of system integration;

[0009] There are a plurality of metal hydride storage tanks, and the plurality of metal hydride storage tanks are respectively arranged in a plurality of heat exchange fins;

[0010] The manifold is disposed in the storage box, and a plurality of air outlet holes are formed on the manifold, and the air inlets of the plurality of metal hydride storage tanks are respectively opposite to the plurality of air outlet holes of the manifold;

[0011] The pressure gauge is arranged on the manifold;

[0012] There are multiple temperature monitoring probes, each of which is arranged in the storage box, and each of which is in contact with the outer walls of multiple metal hydride storage tanks;

[0013] There are multiple connecting mechanisms, each of which is arranged on the manifold, and each of which corresponds to the air inlets of the multiple metal hydride storage tanks;

[0014] The heat exchange mechanism is arranged on the storage box to enhance the heat exchange of the metal hydride storage tank.

[0015] Preferably, the connecting mechanism comprises: a fixing ring, a connecting head, a clamping rod, a driving assembly and a rebound assembly;

[0016] The fixing ring is arranged on the manifold;

[0017] The connector is fixedly connected to the metal hydride storage tank;

[0018] There are two clamping rods, both of which are rotatably arranged on the fixing ring, and both of which are in contact with the connecting head;

[0019] The driving assembly is arranged on the manifold and is used to drive the clamping rod to open and close;

[0020] The rebound assembly is arranged on the clamping rod and is used for rebounding the two clamping rods.

[0021] Further, the driving assembly includes: a driving ring and a driving rod;

[0022] The driving ring is slidably arranged on the manifold;

[0023] Two driving rods are provided, one end of each of the two driving rods is rotatably arranged on the driving ring, and the other ends of the two driving rods are rotatably connected to two clamping rods respectively.

[0024] Furthermore, the rebound assembly includes: a tension plate and a tension spring;

[0025] Two pull plates are fixedly connected to the two clamping rods;

[0026] There are two tension springs, and the two tension springs are respectively fixedly connected between each two adjacent tension plates.

[0027] As a further solution of the present application, the heat exchange mechanism includes: a ventilation plate and a fan;

[0028] The ventilation plate is fixedly connected to the storage box;

[0029] The fan is arranged on the ventilation plate, and the output end of the fan faces the metal hydride storage tank.

[0030] As a further solution of the present application, a plurality of the metal hydride storage tanks are fixedly connected with a cross knob.

[0031] (III) Beneficial effects

[0032] Compared with the prior art, the utility model provides an air-cooled metal hydride hydrogen storage module, which has the following beneficial effects:

[0033] 1. In the utility model, by setting the connection mechanism, it is convenient to connect more metal hydride storage tanks at the same time for charging and discharging hydrogen, which greatly improves the work efficiency.

[0034] 2. In the utility model, the heat exchange fins and the heat exchange mechanism are arranged to facilitate rapid heat exchange when the metal hydride storage tank is charged and discharged. The heat exchange fins are air-cooled, simple in structure, do not require additional heat exchange medium, have high system integration, and low processing and manufacturing costs.

[0035] 3. In the utility model, the storage box, heat exchange fins, metal hydride storage tanks, manifolds, pressure gauges, temperature monitoring probes, connecting mechanisms and heat exchange mechanisms are coordinated to facilitate the simultaneous charging and discharging of hydrogen to a large number of metal hydride storage tanks, thereby improving the efficiency of charging and discharging hydrogen to the metal hydride storage tanks. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 A schematic diagram of the overall structure of this application;

[0037] Figure 2 This is a schematic diagram of the structure inside the storage box of this application;

[0038] Figure 3 This is a schematic diagram of the structure of the manifold, pressure gauge and connecting mechanism of this application;

[0039] Figure 4 This is a structural diagram of the connection mechanism of this application.

[0040] In the figure: 1. Storage box; 2. Heat exchange fins; 3. Metal hydride storage tank; 4. Manifold; 5. Pressure gauge; 6. Temperature monitoring probe; 7. Fixing ring; 8. Connector; 9. Clamping rod; 10. Drive ring; 11. Drive rod; 12. Pull plate; 13. Tension spring; 14. Ventilation plate; 15. Fan; 16. Cross knob. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0042] See also Figures 1 to 4 A wind-cooled metal hydride hydrogen storage module comprises: a storage box 1, a heat exchange fin 2, a metal hydride storage tank 3, a manifold 4, a pressure gauge 5, a temperature monitoring probe 6, a connecting mechanism and a heat exchange mechanism, a plurality of metal hydride storage tanks 3 are fixedly connected with a cross knob 16, a plurality of heat exchange fins 2 are provided, a plurality of heat exchange fins 2 are arranged in the storage box 1, a plurality of metal hydride storage tanks 3 are provided, a plurality of metal hydride storage tanks 3 are respectively arranged in a plurality of heat exchange fins 2, a manifold 4 is arranged in the storage box 1, a plurality of air outlets are opened on the manifold 4 ... The air inlet of the metal hydride storage tank 3 is respectively opposite to the multiple air outlets, the pressure gauge 5 is arranged on the manifold 4, and multiple temperature monitoring probes 6 are provided. The multiple temperature monitoring probes 6 are all arranged in the storage box 1, and the multiple temperature monitoring probes 6 are respectively in contact with the side walls of the multiple metal hydride storage tanks 3. Through the cooperation among the storage box 1, the heat exchange fins 2, the metal hydride storage tank 3, the manifold 4, the pressure gauge 5, the temperature monitoring probes 6, the connecting mechanism and the heat exchange mechanism, it is convenient to charge and discharge hydrogen to more metal hydride storage tanks 3 at the same time, thereby improving the charging and discharging efficiency of the metal hydride storage tanks 3.

[0043] Among them, there are multiple connecting mechanisms, and the multiple connecting mechanisms are all arranged on the manifold 4. The multiple connecting mechanisms correspond to the air inlets of the multiple metal hydride storage tanks 3 respectively. The connecting mechanisms include: a fixing ring 7, a connecting head 8, a clamping rod 9, a driving assembly and a rebound assembly. The fixing ring 7 is arranged on the manifold 4, and the connecting head 8 is fixedly connected to the metal hydride storage tank 3. There are two clamping rods 9, and the two clamping rods 9 are rotatably arranged on the fixing ring 7. The two clamping rods 9 are in contact with the connecting head 8. The driving assembly is arranged on the manifold 4 for driving the clamping rods 9 to open and close. The rebound assembly is arranged on the clamping rods 9 for rebounding the two clamping rods 9. The driving assembly includes: a driving ring 10 and a driving rod 11. The driving The ring 10 is slidably set on the manifold 4, and two driving rods 11 are provided. One end of the two driving rods 11 is rotatably set on the driving ring 10, and the other ends of the two driving rods 11 are rotatably connected to the two clamping rods 9 respectively. The rebound component includes: a pull plate 12 and a tension spring 13. Two pull plates 12 are fixedly connected to the two clamping rods 9, and two tension springs 13 are provided. The two tension springs 13 are respectively fixedly connected between each adjacent two pull plates 12. Specifically, the connecting block on the metal hydride storage tank 3 is inserted between the two clamping rods 9, and the two clamping rods 9 are pulled back by the tension spring 13 set between the two pull plates 12, so that the connecting block is stably fixed between the two clamping rods 9 and against the air outlet on the manifold 4.

[0044] Among them, the heat exchange mechanism is arranged on the storage box 1, and is used for exchanging heat for the metal hydride storage tank 3. The heat exchange mechanism includes: a ventilation plate 14 and a fan 15. The ventilation plate 14 is fixedly connected to the storage box 1, and the fan 15 is arranged on the ventilation plate 14. The output end of the fan 15 faces the metal hydride storage tank 3. Specifically, the metal hydride storage tank 3 is blown by the fan 15 arranged on the ventilation plate 14, and the heat conduction of the heat exchange fins 2 is used to enhance the heat exchange of the metal hydride storage tank 3.

[0045] To summarize, when charging and discharging hydrogen, the air-cooled metal hydride hydrogen storage module inserts multiple metal hydride storage tanks 3 into the corresponding heat exchange fins 2 respectively, and presses the air inlet of the metal hydride storage tank 3 against the air outlet hole opened on the manifold 4. Then, the two clamping rods 9 are clamped on the connecting head 8, and the two clamping rods 9 are pulled by the tension spring 13 between the pull plates 12 to continuously clamp the connecting head 8, so that the manifold 4 can charge and discharge hydrogen into the metal hydride storage tank 3. When the metal hydride storage tank 3 needs to be disassembled, the operator pulls the drive ring 10 and the drive rod 11 to drive the clamping rod 9 to expand, thereby releasing the connection limit of the connecting head 8 and removing the metal hydride storage tank 3. The fan 15 arranged on the ventilation plate 14 can be used to blow air to the metal hydride storage tank 3, and the heat exchange of the metal hydride storage tank 3 is enhanced through the heat conduction of the heat exchange fins 2.

[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An air-cooled metal hydride hydrogen storage module, characterized in that: include: Storage box (1); Heat exchange fins (2), wherein a plurality of heat exchange fins (2) are provided, and the plurality of heat exchange fins (2) are all arranged in the storage box (1); A metal hydride storage tank (3), wherein a plurality of the metal hydride storage tanks (3) are provided, and the plurality of the metal hydride storage tanks (3) are respectively arranged in the plurality of the heat exchange fins (2); A manifold (4), the manifold (4) being arranged in the storage box (1), the manifold (4) being provided with a plurality of air outlet holes, the air inlets of the plurality of metal hydride storage tanks (3) being respectively opposite to the plurality of air outlet holes of the manifold (4); a pressure gauge (5), the pressure gauge (5) being arranged on the manifold (4); A temperature monitoring probe (6), wherein a plurality of the temperature monitoring probes (6) are provided, and the plurality of the temperature monitoring probes (6) are all arranged in the storage box (1), and the plurality of the temperature monitoring probes (6) are respectively in contact with the outer walls of the plurality of the metal hydride storage tanks (3); A connecting mechanism, wherein a plurality of the connecting mechanisms are provided, and the plurality of the connecting mechanisms are all arranged on the manifold (4), and the plurality of the connecting mechanisms respectively correspond to the air inlets of the plurality of the metal hydride storage tanks (3); A heat exchange mechanism, wherein the heat exchange mechanism is arranged on the storage box (1) and is used to exchange heat for the metal hydride storage tank (3).

2. The air-cooled metal hydride hydrogen storage module according to claim 1, characterized in that: The connecting mechanism comprises: A fixing ring (7), wherein the fixing ring (7) is arranged on the manifold (4); A connector (8), wherein the connector (8) is fixedly connected to the metal hydride storage tank (3); A clamping rod (9), wherein two clamping rods (9) are provided, and both of the two clamping rods (9) are rotatably arranged on the fixing ring (7), and both of the two clamping rods (9) are in contact with the connecting head (8); A driving assembly, the driving assembly being arranged on the manifold (4) and being used for driving the clamping rod (9) to open and close; A rebound component is arranged on the clamping rod (9) and is used for rebounding the two clamping rods (9).

3. An air-cooled metal hydride hydrogen storage module according to claim 2, characterized in that: The drive assembly comprises: A drive ring (10), the drive ring (10) being slidably disposed on the manifold (4); A driving rod (11), wherein two driving rods (11) are provided, one end of each of the two driving rods (11) is rotatably disposed on the driving ring (10), and the other ends of the two driving rods (11) are rotatably connected to the two clamping rods (9) respectively.

4. The air-cooled metal hydride hydrogen storage module according to claim 3, characterized in that: The rebound assembly comprises: A pull plate (12), two pull plates (12) are fixedly connected to the two clamping rods (9); A tension spring (13), wherein two tension springs (13) are provided, and the two tension springs (13) are respectively fixedly connected between each two adjacent pull plates (12).

5. The air-cooled metal hydride hydrogen storage module according to claim 4, characterized in that: The heat exchange mechanism comprises: a ventilation plate (14), wherein the ventilation plate (14) is fixedly connected to the storage box (1); A fan (15), wherein the fan (15) is arranged on the ventilation plate (14), and an output end of the fan (15) faces the metal hydride storage tank (3).

6. The air-cooled metal hydride hydrogen storage module according to claim 5, characterized in that: A cross knob (16) is fixedly connected to each of the plurality of metal hydride storage tanks (3).

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